/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef __UPDATEDATA_H
#define __UPDATEDATA_H

#include "ByteBuffer.h"
class WorldPacket;

enum OBJECT_UPDATE_TYPE {
	UPDATETYPE_VALUES = 0,
	//UPDATETYPE_MOVEMENT             = 0xFF, //deleted in 4.0.3.
	UPDATETYPE_CREATE_OBJECT = 1,
	UPDATETYPE_CREATE_OBJECT2 = 2,
	UPDATETYPE_OUT_OF_RANGE_OBJECTS = 3,
//UPDATETYPE_NEAR_OBJECTS         = 0xFF //deleted in 4.0.3.
};

enum OBJECT_UPDATE_FLAGS {
	UPDATEFLAG_NONE = 0x0000,
	UPDATEFLAG_SELF = 0x0001,
	UPDATEFLAG_TRANSPORT = 0x0002,
	UPDATEFLAG_HAS_TARGET = 0x0004,
	//UPDATEFLAG_LOWGUID      = 0x0008, deleted in 4.0.3
	//UPDATEFLAG_HIGHGUID     = 0x0010, deleted in 4.0.3
	UPDATEFLAG_LIVING = 0x0020,
	UPDATEFLAG_HAS_POSITION = 0x0040,
	UPDATEFLAG_VEHICLE = 0x0080,
	UPDATEFLAG_POSITION = 0x0100,
	UPDATEFLAG_ROTATION = 0x0200,
	UPDATEFLAG_UNK1 = 0x0400, //not found.
	UPDATEFLAG_UNK2 = 0x0800, //added in 4.0.3
	UPDATEFLAG_UNK3 = 0x1000,
//added in 4.0.3
};

class UpdateData {
public:
	UpdateData();

	void AddOutOfRangeGUID(std::set<uint64>& guids);
	void AddOutOfRangeGUID(const uint64 &guid);
	void AddUpdateBlock(const ByteBuffer &block);
	bool BuildPacket(WorldPacket *packet);
	bool HasData() {
		return m_blockCount > 0 || !m_outOfRangeGUIDs.empty();
	}
	void Clear();

	std::set<uint64> const& GetOutOfRangeGUIDs() const {
		return m_outOfRangeGUIDs;
	}
	uint16 m_map;

protected:
	uint32 m_blockCount;
	std::set<uint64> m_outOfRangeGUIDs;
	ByteBuffer m_data;

	void Compress(void* dst, uint32 *dst_size, void* src, int src_size);
};
#endif
